import React, {Component} from 'react';
import {StyleSheet, Text, View, Image, ScrollView, Alert, ActivityIndicator, RefreshControl, FlatList} from 'react-native';
import {List, Flex, Button, WhiteSpace, Provider, WingBlank, Toast} from '@ant-design/react-native';
import {getParkingRentListMy} from '~/api/owner';

import ZsCard from '~/components/zs-card';
import {ownerPaymentList} from '~/api/parking';
import moment from 'moment';
let pagecount = 0;
let index = 1;
let size = 10;
class LeaseSale extends Component {
    static navigationOptions = {
        title: '租售车位',
    };
    constructor(props) {
        super(props);
        this.state = {
            page_index: 1,
            page_size: 10,
            isLoading: false, //加载
            refreshing: false,
            footer: 0, //上拉底部显示
            list: [],
        };
        this.getlist();
    }
    getlist() {
        getParkingRentListMy({
            page_index: this.state.page_index,
            page_size: this.state.page_size,
        }).then((r) => {
            if (r.code === 0) {
                this.setState({
                    list: r.data.list,
                    footer: 0,
                });
                if (this.state.page_index === 1) {
                    pagecount = r.data.total_page_count;
                    this.setState({
                        footer: r.data.total_item_count < 10 ? 2 : 0,
                    });
                }
            } else {
                Alert.alert(r.msg);
            }
        });
    }
    _onRefresh() {
        this.setState({footer: 0, page_index: index, page_size: size}, () => {
            this.getlist();
        });
    }
    //上拉加载更多
    loadData = () => {
        this.setState({isLoading: false});
        let dataArray = [];
        if (pagecount - 1 > 0) {
            pagecount = pagecount - 1;
            this.setState(
                {
                    page_index: this.state.page_index + 1,
                    footer: 1,
                },
                () => {
                    getParkingRentListMy({
                        page_index: this.state.page_index,
                        page_size: this.state.page_size,
                    }).then((r) => {
                        if (r.code === 0) {
                            dataArray = r.data.list;
                            dataArray = this.state.list.concat(dataArray);
                            if (r.code === 0) {
                                this.setState({
                                    list: dataArray,
                                    isLoading: false,
                                });
                            } else {
                                Toast.info(r.msg, 1);
                            }
                        } else {
                            Alert.alert(r.msg);
                        }
                    });
                },
            );
        } else {
            this.setState({
                footer: 2,
            });
        }
    };

    //上拉底部显示
    genIndicator() {
        if (this.state.footer === 1) {
            return (
                <View style={styles.indicatorContainer}>
                    <ActivityIndicator style={styles.indicator} size={'large'} animating={true} />
                    <Text style={{textAlign: 'center'}}>正在加载更多</Text>
                </View>
            );
        } else if (this.state.footer === 2) {
            return (
                <View
                    style={{
                        height: 30,
                        alignItems: 'center',
                        justifyContent: 'flex-start',
                    }}>
                    <Text
                        style={{
                            color: '#999999',
                            fontSize: 14,
                            marginTop: 5,
                            marginBottom: 5,
                        }}>
                        没有更多数据了
                    </Text>
                </View>
            );
        } else if (this.state.footer === 0) {
            return (
                <View
                    style={{
                        height: 30,
                        alignItems: 'center',
                        justifyContent: 'flex-start',
                    }}>
                    <Text
                        style={{
                            color: '#999999',
                            fontSize: 14,
                            marginTop: 5,
                            marginBottom: 5,
                        }}>
                        上拉加载更多
                    </Text>
                </View>
            );
        }
    }
    _renderItem(item) {
        return (
            <Flex
                onPress={() => {
                    this.props.navigation.push('ParkRentInfo', {
                        params: item.ParkingRentID,
                    });
                }}>
                <ZsCard item={item} key={index} />
            </Flex>
        );
    }
    render() {
        return (
            <View style={{width: '100%', height: '100%'}}>
                <View style={{width: '100%', height: '90%'}}>
                    {this.state.list.length > 0 ? (
                        <View>
                            <FlatList
                                data={this.state.list}
                                showsVerticalScrollIndicator={false}
                                renderItem={(data) => this._renderItem(data.item)}
                                keyExtractor={(item, index) => index}
                                ListFooterComponent={() => this.genIndicator()} //上拉加载更多视图
                                onEndReached={() => {
                                    this.loadData();
                                }}
                                onEndReachedThreshold={0.1} // 这个属性的意思是 当滑动到距离列表内容底部不足 0.1*列表内容高度时触发onEndReached函数 为啥要加这个属性 因为不加的话滑动一点点就会立即触发onReached函数，看不到菊花加载中
                                refreshing={true}
                                refreshControl={
                                    <RefreshControl
                                        refreshing={this.state.refreshing}
                                        onRefresh={() => {
                                            this._onRefresh();
                                        }}
                                    />
                                }
                            />
                        </View>
                    ) : (
                        <Flex style={{width: '100%', height: '90%'}} justify="center" direction="column">
                            <Image style={{width: 61, height: 48}} source={require('~/assets/my/null2x.png')} />
                            <Text style={{color: '#999999'}}>暂无租售车位信息!</Text>
                        </Flex>
                    )}
                </View>
                <View
                    style={{
                        width: '100%',
                        height: 49,
                        backgroundColor: '#EC4F46',
                        borderColor: '#EC4F46',
                        borderWidth: 1,
                        marginTop: 10,
                    }}>
                    <Text
                        onPress={() => {
                            this.props.navigation.push('ReleaseParking');
                        }}
                        style={{
                            color: 'white',
                            fontSize: 20,
                            textAlign: 'center',
                            paddingTop: 10,
                        }}>
                        发布车位
                    </Text>
                </View>
            </View>
        );
    }
}
export default LeaseSale;

const styles = StyleSheet.create({
    scrollview: {
        flex: 1,
    },
});
